user
You need to complete the following task:

Identify two similarities and two differences between the given two items.

Virtual Reality and Augmented Reality

Answer:
assistant
Similarities:
- Both use technology to generate realistic visuals 
- Both are used to assist with training, education and entertainment 

Differences: 
- Virtual Reality immerses users in a completely simulated environment where physical laws may be changed 
- Augmented Reality overlays virtual elements onto the physical world to enhance the real-life experience